Jacox LA, Bocklage C, Edwards T, Mihas P, Lin FC, Ko CC. Understanding technology adoption by orthodontists: a quantitative study. Am J Orthod Dentofacial Orthop. 2022 Mar;161(3):364-74. doi: 10.1016/j.ajodo.2020.08.024
Rothman KJ, Velez H, Glass RL, Mejia R, Espinal F. Dental caries and soil contents of trace metals in two Colombian villages. J Dent Res. 1972 Nov 1;51(6):1686.